Follow the Steps below to find the SCANPST tool to repair your PST file in outlook:

STEP 1: Unhide the Files and Folders and File extensions:

Start >My Computer >Organize >Folder and Search Options > View Tab >Check Show Hidden Folders and Files and uncheck “Hide Extensions for Known File Types”.

Location for Scanpst.exe:

Scanpst for Outlook 2007 in Windows 7 and Windows Vista

64 bit: Start >My Computer > Program files(x86) >Microsoft Office >Office 12 >ScanPST.exe

32 bit: Start >My Computer > Program files>Microsoft Office >Office 12 >ScanPST.exe

Scanpst for Outlook 2007 in Windows XP.

Start >My Computer > Program files>Microsoft Office >Office 12 >ScanPST.exe

STEP 2 : Browse to the location and repair the pst file:

The error message shows the location of the outlook.pst file, which has to be repaired. In the scanpst tool, Click on browse and go to the location show in the error message and click on repair.

Run the tool, and browse to the following location to choose the Outlook data file which you want to repair.Cannibal ox the cold vein zip.

“C:Users<Account Name>AppDataLocalMicrosoftOutlookOutlook.pst.”

Click Start, which will start the repair process.

Note:The repair might take a long time depending on the size of Data file.

After the scanning is complete you will be prompted to click repair. Click repair and wait for the repair to complete and then click ok.

Try opening Outlook to check if the issue is fixed.

Go through the article mentioned below for more information for the same http://support.microsoft.com/kb/272227